books.google.dehttps://books.google.de/books/about/Hortus_Kewensis_Or_A_Catalogue_of_the_Pl.html?hl=de&id=ChcAAAAAQAAJ&utm_source=gb-gplus-shareHortus Kewensis; Or, A Catalogue of the Plants Cultivated in the Royal Botanic Garden at Kew